[clang] [clang-tools-extra] [lldb] [clang] Reland: Instantiate alias templates with sugar (PR #101858)

[Andrey Ali Khan Bolshakov via cfe-commits]

bolshakov-a wrote:

> One possibility here is that if you have the type, then you will have a template specialization type for the template alias, and that gives you the template arguments used to specialize the alias. Which should answer this need.

This can probably go, thank you!

https://github.com/llvm/llvm-project/pull/101858